* An oil industry official in Beijing confirmed a report this month in the financial news magazine Caixin that two other top oil men were under investigation: Li Zhiming, the head of CNPC and PetroChina operations in Canada, and Beijing-based Song Yiwu, deputy head of CNPC’s overseas operations. For the original version including any supplementary images or video, visit http://news.yahoo.com/special-report-inside-xi-jinpings-purge-chinas-oil-052947090.html